The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2016
Filed:
Jul. 16, 2010
Applicants:
Kentarou Oda, Yokohama, JP;
Minoru Tsukamoto, Yokohama, JP;
Inventors:
Kentarou Oda, Yokohama, JP;
Minoru Tsukamoto, Yokohama, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 43/02 (2006.01); F04D 25/02 (2006.01); F04D 17/12 (2006.01); F04D 29/063 (2006.01); F04D 29/58 (2006.01);
U.S. Cl.
CPC ...
F04D 25/02 (2013.01); F04D 17/12 (2013.01); F04D 29/063 (2013.01); F04D 29/584 (2013.01); F04D 29/5826 (2013.01);
Abstract
A turbo compressor includes a case; compression stages which are disposed in a plural number in a rotatable manner with respect to the case via a sliding part; an oil tank in which a lubricant oil to be supplied to the sliding part is stored; a pressure equalization pipe which communicates the oil tank with the vicinity of the inlet of the compression stage; and a check valve which allows only the movement of the fluid from the oil tank side to the compression stage side in the pressure equalization pipe.